Lower rail cap for a watercraft



FIG. 1 is a perspective view of a lower rail cap for a watercraft;

FIG. 2 is a cross-sectional/end view of FIG. 1;

FIG. 3 is a cross-sectional/end view of FIG. 1 as viewed from opposite the view of FIG. 2;

FIG. 4 is a top view of FIG. 1;

FIG. 5 is a bottom view of FIG. 1;

FIG. 6 is a front view of FIG. 1; and,

FIG. 7 is a rear view of FIG. 1.

The broken away symbols in the drawings indicate the appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a lower rail cap for a watercraft, as shown and described. 